Distance between Mt Greylock, NH and N1NCI-3, NH is 78.7 km (48.9 miles)
 True North Azimuth = 55.7°, Magnetic North Azimuth = 69.8°, Elevation angle = -0.8280°
 Terrain elevation variation is 996.4 m
 Propagation mode is diffraction, single obstruction, 0.3F1 at 0.1km
 Average frequency is 145.000 MHz
 Free Space = 113.5 dB, Obstruction = 40.2 dB, Urban = 0.0 dB, Forest = 1.0 dB, Statistics = 6.0 dB
 Total propagation loss is 160.8 dB
 System gain from Mt Greylock, NH to N1NCI-3, NH is 150.2 dB
 System gain from N1NCI-3, NH to Mt Greylock, NH is 155.2 dB
 Worst reception is 10.5 dB below the required signal to meet
 70.000% of situations